Nas 2 Exam Questions With Answers (Verified And Answers)

Nas 2 Exam Questions With Answers (Verified And Answers) Basic unit of life - answerCell All organisms are composed of how many cells - answer1 or more Cells come from what type of cells - answerPre-existing Cells come in a variety of - answerShapes and forms 2 major types of cells - answerProkaryotic, eukaryotic Characteristic of prokaryotic - answerVery small cells, no nucleus or organelles Prokaryotic type of organism - answerBacteria Characteristic of eukaryotic - answerMuch larger cells, DNA contained in nucleus, several types of organelles Eukaryotic type of organism - answerProtistans, plants, fungi, animals Number of chromosomes in human germ cell - answer23 Human germ cells are - answerHaploid Number is chromosomes in somatic cells - answer46 Somatic cells are - answerDiploid Two types of germ cells - answerSperm and ova Unspecialized cells are called - answerStem cells Stem cells typically capable of - answerCell division Differentiated cells are called - answerSpecialized Specialized cells typically do NOT - answerDivide Cell membrane - answerForms boundary of the cell, controls movement in and out of the cell Cytoplasm - answerFluid medium of the cell for chemical reactions Nucleus - answerContains DNA, controls cell activity Organelles - answerPerform specialized cellular functions 3 components of the cell membrane - answerPhospholipid bilayer, membrane proteins, cholesterol Function of phospholipid bilayer - answerForms a barrier Function of Membrane proteins - answerAllow cell interactions Function of Cholesterol - answerStabilized the membrane What are the 6 membrane proteins - answerTransport, receptors, attachment, enzymes, intercellular joining, recognition Function of transport - answerMovement of molecules in/out of the cell, make the cell membrane permeable Function of receptors - answer